Registry data as of Aug 27, 2026

Tierney Richardson, PA-C

Physician Assistant · Foxboro, MA

Tierney Richardson, PA-C is a physician assistant with a practice address in Foxboro, Massachusetts, and NPI 1891220927, issued on Apr 26, 2017. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891220927
Name
Tierney Richardson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA00952 RI
Self-reported in NPPES; status is on the state search
Practice location
22 Patriot PL, Foxboro, MA 02035
Phone
(508) 718-4050
Enumerated
Apr 26, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22 Patriot PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Robinson, M.D.Nephrology Physician1245297449

Verify Tierney Richardson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

80% more Medicare Part D claims than the average physician assistant in 2024

1,493 Medicare Part D claims for 287 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Tierney Richardson1,493
  2. Specialty average830

Most prescribed

  1. Omeprazole86 claims
  2. Losartan Potassium82 claims
  3. Atorvastatin Calcium78 claims
  4. Lisinopril78 claims
  5. Amlodipine Besylate61 claims
  6. Metoprolol Succinate59 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Brigham And Womens Physicians Organization IncFoxborough, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

3 physician assistant records list a practice address in Foxboro

They are 3 of the 305 NPPES records with a practice address in Foxboro, and 4,713 physician assistant records in Massachusetts.

Other physician assistant records in Massachusetts

  1. Erin Abdallah, PA-CSwansea, MA1396417242
  2. Alexa Aboshar, PA-CTewksbury, MA1245623578
  3. Bhraana Abraham, PABoston, MA1649963661
  4. Keidelyn Abreu, PALawrence, MA1497488795
  5. Tatiana Achildiev, PAWorcester, MA1740532761
  6. Sophie Achilles, PA-CBoston, MA1992485965
  7. Andrea Acosta, PA-CWest Roxbury, MA1336060953
  8. Colin ActonBoston, MA1346066701
  9. Emily Adams, PA-CBurlington, MA1457685752
  10. Karley Adams, PABoston, MA1578261764

Common questions

What is Tierney Richardson, PA-C's NPI number?

Tierney Richardson, PA-C's National Provider Identifier (NPI) is 1891220927, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Tierney Richardson, PA-C located?

The NPPES record lists a practice address at 22 Patriot PL, Foxboro, MA, 02035. Phone: (508) 718-4050. Providers update this record themselves, so call before visiting.

How can I verify Tierney Richardson, PA-C's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Tierney Richardson, PA-C prescribe under Medicare Part D?

In 2024, Tierney Richardson, PA-C had 1,493 Medicare Part D claims for 287 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.